FIx shared structs + add better debugging/linting (#379)

* fix: Fixes issues w/ shared pointers to structs (#378)
* feat: Adds even better debugging and linting support (#376)

This is a #PATCH release.

cmd/app/assignee.go

@@ -28,7 +28,7 @@ func (a assigneesService) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	assigneeUpdateRequest, ok := r.Context().Value(payload("payload")).(*AssigneeUpdateRequest)
 
 	if !ok {
-		handleError(w, errors.New("Could not get payload from context"), "Bad payload", http.StatusInternalServerError)
+		handleError(w, errors.New("could not get payload from context"), "Bad payload", http.StatusInternalServerError)
 		return
 	}